摘要：介绍WinCE.NET系统的旧方法；说明板级支持包（BSP）的基本构成；从开发实际出发，详细阐述如何开发BSP中的重要部件--BootLoader-Abstract: This paper describes the old method WinCE.NET system　Help Board Support Package (BSP) of the basic component　from the development of the reality of BSP in detail how to develop an important components- BootLoader